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Table 3 comparison between the linkeropathies

From: The clinical and mutational spectrum of B3GAT3 linkeropathy: two case reports and literature review

 

XYLT1 [11,12,13,14,15,16]

XYLT2 [17,18,19,20,21,22]

B4GALT7a [23,24,25,26,27,28]

B3GALT6 [10, 30, 31]

B3GAT3 [32,33,34,35,36,37,38,39]

Short stature

100% (15/15)

53% (9/17)

100% (8/8)

100% (27/27)

83% (19/23)

Skeletal dysplasiab

100% (15/15)

94% (16/17)

100% (8/8)

100% (27/27)

100% (26/26)

Joint hypermobility

40% (6/15)

NR

100% (8/8)

88% (22/25)

53% (10/19)

Bone fragility

7% (1/15)

94% (16/17)

62% (5/8)

48% (13/27)

67% (8/12)

Joint contractures

NR

NR

37% (3/8)

59% (16/27)

69% (11/16)

Facial dysmorphologyc

100% (15/15)

65% (11/17)

87% (7/8)

100% (25/25)

100% (25/25)

Hyperextensible skin/ cutis laxa

NR

NR

87% (7/8)

68% (17/25)

12% (reported in 3)

Cardiovascular involvement

7% (1/15)

35% (6/17)

NR

16% (4/25)

60% (12/20)

Intellectual disability

100% (Present in all older patients)

35% (6/17)

75% (6/8)

20% (5/25)

14% (2/14)

Ocular involvement

NR

88% (15/17)

62% (5/8)

NR

15% (reported in 4)

Hearing loss

7% (1/15)

53% (9/17)

25% (2/8)

NR

8% (reported in 2)

  1. a With exclusion of the Larsen of Reunion Island syndrome cohort from Crathault et al. [23]
  2. b Skeletal dysplasia including shortening and deformity of long bones, (kypho)scoliosis, small thoracic cage, radioulnar synostosis, deformity of the feet
  3. c Facial dysmorhpology including wide forehead, downslanting palpebral fissures, large eyes, blue sclerae, depressed nasal bridge and midfacial hypoplasia